28062839 has 6 divisors (see below), whose sum is σ = 32644584. Its totient is φ = 24053820.

The previous prime is 28062833. The next prime is 28062851. The reversal of 28062839 is 93826082.

It is a happy number.

It is not a de Polignac number, because 28062839 - 2⁴ = 28062823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28062833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286307 + ... + 286404.

It is an arithmetic number, because the mean of its divisors is an integer number (5440764).

Almost surely, 2^28062839 is an apocalyptic number.

28062839 is a deficient number, since it is larger than the sum of its proper divisors (4581745).

28062839 is an equidigital number, since it uses as much as digits as its factorization.

28062839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572725 (or 572718 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 28062839 is about 5297.4370218059. The cubic root of 28062839 is about 303.8858896229.

The spelling of 28062839 in words is "twenty-eight million, sixty-two thousand, eight hundred thirty-nine".